I think I'm still suffering from post-job fair rush because I practically squealed when I saw this:

"The M++CARD is a Business card which includes memory storage on the rear side of the card. The back of the card is laminated so as to hold a memory card (like Sony M2 Card). Two slits on the card make it possible to snap on a USB adopter, through which this card can be accessed. As per your needs, related data can be stored on this card. Thus, M++CARD can become truly business card, company info card, website card, product info card, portfolio card and so on." (SOURCE)
By simply giving someone your business card you can just as easily give them a copy of your resume, portfolio, company products, etc. I think this will be VERY handy, noh? The article is dated December 2007 so maybe that's why the product isn't as popular as I expected yet, but I'm betting this will almost surely be a hot-ticket item :D